Holograph. Supplied title; separate pts. have caption or t.p. titles. Six records, largely in tabular form, sewn together into plain brown card covers with paper cover label bearing a summary of contents; provenance bookplate of Natural History Society of Montreal. Memoir, of observations of the progressive rise of the waters of the Ganges at Ghazipore during the rainy season of 1815 / by Capt. Lachlan -- Diary of the daily ... rise & fall of the Ganges ... from 1815 to 1822 both years inclusive / by Major Parlby ; with notes by Capt. Lachlan -- Comparative view of the rise & fall of the Bhagruttu & Ganges daily ... [1809-1811] -- Rise & fall of the Baugrutty commencing 1st January 1822 / by Major Parlby -- Tide table of January and February 1815[-November and December 1820] kept ... near Calcutta / by James Kyd -- Weather, Kedgeree, Diamond Harbour, 1819[-1820].